[FS]: WANTED: KALKSTIRRER: JHB, Benoni

Discussion in 'Wanted' started by Ridwaan, 6 Dec 2011.

  1. Ridwaan

    Ridwaan

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    Hardware for sale
    Thread title:
    WANTED: KALKSTIRRER ​
    Location:
    JHB, Benoni ​
    Shipping or Collection only:
    Will pay for shipping ​
    Photo's and description/list of items for sale:
    Howzit Guys...

    I am looking for a Kalkstirrer, preferably Deltec, Aquamedic or Reef Octopus...

    :thumbup:
    Notes:
    - ​
     
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  3. RiaanP

    RiaanP Moderator

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    Reef Octopus KR200 with pump
    I think the guy want R1600
    Interested?
     
  4. Ridwaan

    Ridwaan Thread Starter

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    Is it a stirrer?
     
  5. RiaanP

    RiaanP Moderator

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    Last edited: 6 Dec 2011
  6. malooda

    malooda

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  7. Ridwaan

    Ridwaan Thread Starter

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    thanks guys..but i see they are kalk reactors...im looking for a kalk stirrer...
     
  8. RiaanP

    RiaanP Moderator

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    Same thing. Do a Google image search on "kalk stirrer" and see for yourself
    unless you refer to the new models that have the motor on top. to continiously turn the blades.
    Just note, that those are also prone to failure. Especially if the unit is refilled and then left switched off for some time. The kalk settles too much and the motor cannot turn and stirr it up.

    Older design got a pump blowing it up, that must switch on with the top up unit. Due to the kalk entering the pump, the pump do not last for ever. But as it is only 1 minute every top up, the pump can be used for months. Note. pump should only run when the ATU kicks in.
     
    Last edited: 7 Dec 2011
  9. Ridwaan

    Ridwaan Thread Starter

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    I got one of those AquaMedic topup units, so what you are saying is that the pump should only switch on when the dosing pump of the ATU switches on?

    Doesnt the pump cause the whole reactor to get extremely cloudy, thereby making the display tank cloudy?
     
  10. leslie hempel

    leslie hempel Moderator MASA Contributor

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    @Ridwaan you can set the stirrer to either stir continiously (which is its intention to avoid the kalk going to sludge) or passivley (periodically coming on)

    it need not be off at any stage when the ATU unit is pushing water through the unit as the ATU is replenishing as the water evapourates.. so will come on dependant on the float switch dropping and triggering the device..
     
    Last edited by a moderator: 26 Nov 2015
  11. RiaanP

    RiaanP Moderator

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    The pump should only be on for a very short time period. New water entering the chamber and the pump blows up the kalk at the bottom. Causing the white cloud to rise. Saturated water is pushed out at the very top. BEFORE that cloud reach the top, the ATU must reach its upper limit and switch RO pump and reactor circulation pump off. Else you will get that un-disolved kalk into your system. Blown all over and you will have that white fine dust that will settle everywhere.

    Remember, if your ATU is suspect to failure, you will either dump too much RO water into your system. Plus with kalk reactor / stirrer you will blow all the un-disolved kalk into your system as well. Complicating an already stuff up even more.

    Remember, with automation comes risk due to the automation that fails. So you must be able to trust your equiptment. That said, you must have a good quailty ATU that you know cannot fail. Or one that can only run for short periods. It should rather disable itself in event of not reaching top sensor in time, rather that causing a tank crash.
     
    Last edited: 7 Dec 2011
  12. dallasg

    dallasg Moderator MASA Contributor

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    the best way is to have it on your ATU and the stirrer or pump on a timer that only stirs at night, then during the day your ATU will dose mostly "plain" water and at night it will dose kalk enriched

    and that guy selling is me, and its sold, will update thread
     
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